Thank you a lot for the reply, I found my mistake, it was a dull one: I removed the sparsity pattern creation line by mistake! Now it is running but the output file is unreadable, somewhat like:
*<?xml version="1.0" ?> <!-- # vtk DataFile Version 3.0 #This file was generated by the deal.II library on 12:29:29 at 2022/2/4 --> <VTKFile type="UnstructuredGrid" version="0.1" compressor="vtkZLibDataCompressor" byte_order="LittleEndian"> <UnstructuredGrid> <Piece NumberOfPoints="8" NumberOfCells="1" > <Points> <DataArray type="Float32" NumberOfComponents="3" format="binary"> AQAAAGAAAABgAAAALgAAAA==eNo1ioEJADAIw/L/T9MH3E+rrBWCUQI04s4cUXHvyj+Oe0F6/rRv0q8/x+QrmQ== </DataArray> </Points> <Cells> <DataArray type="Int32" Name="connectivity" format="binary"> AQAAACAAAAAgAAAAHQAAAA==eNpjYGBgYARiZiBmAmIWIGYFYnYgZgNiAAF4AB0= </DataArray> <DataArray type="Int32" Name="offsets" format="binary"> AQAAAAQAAAAEAAAADAAAAA==eNrjYGBgAAAAJAAJ </DataArray> <DataArray type="UInt8" Name="types" format="binary"> AQAAAAEAAAABAAAACQAAAA==eNrjAQAADQAN </DataArray> </Cells> <PointData Scalars="scalars"> <DataArray type="Float32" Name="u1_re" format="binary"> AQAAACAAAAAgAAAAHAAAAA==eNpjYEAF8sKCm9IThYwk+QU3daYKGQEAIVQEHw== </DataArray> <DataArray type="Float32" Name="u1_im" format="binary"> AQAAACAAAAAgAAAAHAAAAA==eNpjYEAFloKdhmuZezZaSXQamvzt3ggALskGaw== </DataArray> * Would you possibly have a hint on why that could be happening? Thank you! Kind regards, Mariia четверг, 3 февраля 2022 г. в 15:50:15 UTC+1, Wolfgang Bangerth: > > Mariia: > the error suggests that you are trying to write into an element of a > matrix > that is outside the size of the matrix. You need to find out why that is > so. > Run the program in a debugger and then inspect why the arguments you give > to > that function are out of range. > > Best > W. > > > On 2/3/22 07:03, Мария Бронзова wrote: > > *** Caution: EXTERNAL Sender *** > > > > Deal all, > > > > I have been having troubles with running my script with PETSc. I have > adjusted > > my code for parallel computing based on the example from step-40. But I > am > > getting the following error: > > > > ---------------------------------------------------- > > Exception on processing: > > -------------------------------------------------------- > > An error occurred in line <1483> of file > > </home/mariia/dealii-9.3.1/include/deal.II/lac/petsc_matrix_base.h> in > function > > void > > > dealii::PETScWrappers::MatrixBase::add(dealii::PETScWrappers::MatrixBase::size_type, > > > > dealii::PETScWrappers::MatrixBase::size_type, const size_type*, const > > PetscScalar*, bool, bool) > > The violated condition was: > > ierr == 0 > > Additional information: > > deal.II encountered an error while calling a PETSc function. > > The description of the error provided by PETSc is "Argument out of > > range". > > The numerical value of the original error code is 63. > > -------------------------------------------------------- > > > > I was trying to understand, where an argument gets out of range, but I > didn't > > have any success so far. > > > > I created a very simple version of my script without any complications > in it > > for an easier debugging, I attach it in this mail. > > > > If you have any hints, I would be extremely grateful! > > > > Thank you! > > > > Regards, > > Mariia > > > > -- > > The deal.II project is located at http://www.dealii.org/ > > < > https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.dealii.org%2F&data=04%7C01%7CWolfgang.Bangerth%40colostate.edu%7Cf25b5705e9144246e7ca08d9e71deb29%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637794939344043914%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=PzTqlU7N2wlcnwWHSk9iHykPHlibfbQwrQ2DuWiqtoY%3D&reserved=0 > > > > For mailing list/forum options, see > > https://groups.google.com/d/forum/dealii?hl=en > > < > https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fforum%2Fdealii%3Fhl%3Den&data=04%7C01%7CWolfgang.Bangerth%40colostate.edu%7Cf25b5705e9144246e7ca08d9e71deb29%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637794939344043914%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=rp7fMX9v%2B%2F9cINjVEBNqBpt4TTOmGQz%2FNN7nWT8U0hI%3D&reserved=0 > > > > --- > > You received this message because you are subscribed to the Google > Groups > > "deal.II User Group" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to dealii+un...@googlegroups.com > > <mailto:dealii+un...@googlegroups.com>. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/dealii/7c5e3dfd-12e8-47be-9a71-b78674e4bd6an%40googlegroups.com > > > < > https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fdealii%2F7c5e3dfd-12e8-47be-9a71-b78674e4bd6an%2540googlegroups.com%3Futm_medium%3Demail%26utm_source%3Dfooter&data=04%7C01%7CWolfgang.Bangerth%40colostate.edu%7Cf25b5705e9144246e7ca08d9e71deb29%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637794939344043914%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=yeXssjQAv1vFbozrqfGAqEYqhaVpoOphDWwP8IlWsi8%3D&reserved=0 > >. > > > -- > ------------------------------------------------------------------------ > Wolfgang Bangerth email: bang...@colostate.edu > www: http://www.math.colostate.edu/~bangerth/ > > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. 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